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Preparation method of nano feed additive

A feed additive and nano-technology, applied in the preparation of nano-feed additives, in the field of nano-feed additives, can solve the problems of complex NMDA processing technology and high price

Inactive Publication Date: 2009-08-19
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, NMDA is extremely expensive due to its complicated processing technology.

Method used

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  • Preparation method of nano feed additive
  • Preparation method of nano feed additive
  • Preparation method of nano feed additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 1) Separation and purification of montmorillonite minerals: put 8.0L of distilled water in the container, put 400g of montmorillonite and 20g of sodium chloride in the container, stir at high speed to make a suspension slurry with a concentration of 5%, age for 10 hours, and wash with water 6 times;

[0014] 2) Add 4.0g of NMDA to the above pulp under high-speed stirring, continue stirring for 6 hours, the reaction temperature is 80°C, then aging at 30°C for 72 hours, washing with water 10 times, and filtering;

[0015] 3) The filter residue was vacuum-dried at 40° C. for 6 hours, and then crushed by dry method with a jet mill.

Embodiment 2

[0017] 1) Separation and purification of montmorillonite minerals: put 6.4L of distilled water in the container, put 320g of montmorillonite and 32g of sodium chloride in the container, stir at a high speed, make a suspension slurry with a concentration of 5%, age for 10 hours, wash with water 10 times;

[0018] 2) Add 64.0 g of NMDA to the above slurry under high-speed stirring, continue stirring for 10 hours, the reaction temperature is 60°C, then aging at 60°C for 36 hours, washing with water 6 times, and filtering;

[0019] 3) The filter residue was vacuum-dried at 60° C. for 3 hours, and dry-milled with a jet mill.

Embodiment 3

[0021] 1) Separation and purification of montmorillonite minerals: put 5L of distilled water in the container, put 1000g of montmorillonite and 100g of sodium chloride in the container, stir at high speed to make a suspension slurry with a concentration of 10%, aging for 12 hours, washing with water for 8 Second-rate;

[0022] 2) Add 50g of NMDA to the above pulp under high-speed stirring, continue to stir for 10 hours, the reaction temperature is 50°C, then age at 40°C for 48 hours, wash 8 times with water, and filter;

[0023] 3) The filter residue was vacuum-dried at 50° C. for 4 hours, and dry-milled with a jet mill.

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Abstract

The invention relates to a method for preparing nanometer feedstuff additive. The prior technique for processing N-methyl-D-aspartate (NMDA) is complicated and expensive. The method comprises the following steps: adding montmorillonite and sodium chloride into distilled water, mixing and stirring the mixture to prepare suspension liquid ore magma, ageing the suspension liquid ore magma for 10 to 20 hours, and washing the suspension liquid ore magma for 6 to 10 times; adding the N-methyl-D-aspartate into the suspension liquid ore magma, then stirring the mixture at a temperature of between 50 and 80 DEG C continuously for 6 to 10 hours and ageing the mixture at a temperature of between 30 and 60 DEG C for 36 to 72 hours, washing the mixture for 6 to 10 times, and then filtering the mixture; and performing vacuum drying on the filter residue at a temperature of between 40 and 60 DEG C for 3 to 6 hours, and crushing the filter residue to obtain the nanometer N-methyl-D-aspartate additive. The nanometer N-methyl-D-aspartate feedstuff additive prepared by the method greatly improves the bioavailability of the additive and can promote the application thereof to animal production.

Description

technical field [0001] The invention belongs to the technical field of feed additives, relates to a nano-feed additive, in particular to a preparation method of a nano-feed additive capable of promoting growth and improving meat quality. Background technique [0002] Improving animal production performance through nutritional regulation, improving carcass composition, animal product quality and feed conversion efficiency is one of the current research hotspots in animal husbandry science and technology at home and abroad. N-methyl-D-aspartate (N-methy-D-aspartate, NDMA) is an amino acid derivative naturally occurring in animals, and is an important excitatory neurotransmitter in the mammalian central nervous system L - A homologue of glutamate, highly efficient and specific in depolarizing neurons in the central nervous system, and plays an important role in the regulation of neuroendocrine. [0003] A large number of studies have shown that NMDA can be directly absorbed in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16A23K1/165A23K20/142
Inventor 冯杰马文强胡彩虹夏枚生
Owner ZHEJIANG UNIV
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